This super cute DIY Shelf sitter Holds any of the  Wagon inserts. All the wagon add-ons will fit in this shelf sitter.The Base is 13 inches longand is 6.25 inches Tall and the insert holder is 11 inches long. The shelf sitter will come with the insert you see inthe picture, and come unfinished so you can put your own spin on them.Wood Blanks. What a great way to display your add-ons!  Would look great in your entryway or on your entertainment center. What a great idea !